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Treating of side-effects resulting from chemodenervation

a technology of chemodenervation and side effects, applied in the field of restoring neuromuscular transmission, can solve the problems of desensitization of the ach receptor, achieve the effects of preventing the ability of the ach to depolarize the receptor, prolonging the life of the ach, and increasing the concentration

Active Publication Date: 2021-09-28
DELNOVA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0010]The inventor has found that targeted, localized parenteral administration of an anticholinesterase to the affected patient reverses / alleviates / treats muscle chemical denervation, such as that caused by botulinum toxin administration. The targeted administration of the anticholinesterase (for example, by using a low dose) to the afflicted tissue / muscle reverses the unintended effects. The methods outlined herein minimize potential for systemic side effects, such as those resulting from first pass metabolism in oral dosage forms or side effects from higher intravenous dosages. Furthermore, the use of targeted drug delivery allows for reversal of the impaired areas, without impacting the principle areas that were originally targeted for therapy.

Problems solved by technology

Nevertheless, without the binding of ACh, the ACh receptors are trapped in a desensitized state.

Method used

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  • Treating of side-effects resulting from chemodenervation
  • Treating of side-effects resulting from chemodenervation
  • Treating of side-effects resulting from chemodenervation

Examples

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[0073]Animal Model and Methods

[0074]To demonstrate the efficacy of an anticholinesterase in accelerating the spontaneous recovery following botulinum toxin injections, the rat model outlined Moon et al. (Maxillofacial Plastic and Reconstructive Surgery (2015) 37:46) was adopted. In this case, botulinum toxin was injected into the masseter muscle of the rat and impending changes in food intake was monitored. The goal of the experiment was to cause paralysis in the jaw muscle of the rat using the botulinum neurotoxin. This was expected to negatively impact food intake and subsequently test the ability of comparable injections of anticholinesterase to accelerate the recovery process.

[0075]The test materials were products approved for injection. The botulinum toxin, BOTOX® (Allergan, Irvine, Calif., USA;), was reconstituted to the desired dose using saline for injection. The dose of BOTOX used in the experiments was 5 Units in 100 μl. For pryridostigimine, Regonol® (Sandoz Inc., Princet...

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Abstract

The present disclosure relates generally to methods of restoring neuromuscular transmission by locally administering an effective dose of a composition comprising an anticholinesterase to a non-responsive muscle. The disclosure also relates to methods of reversing a neurotoxin-induced muscle paralysis or muscle weakness, the method comprising locally administering a composition comprising an anticholinesterase to the patient.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims the benefit of U.S. Provisional Patent Application No. 62 / 336,344, filed May 13, 2016, which is incorporated herein by reference in their entireties.BACKGROUND OF THE DISCLOSURE1. Field of the Disclosure[0002]The present disclosure relates generally to methods of restoring neuromuscular transmission by locally administering an effective dose of a composition comprising an anticholinesterase to a non-responsive muscle. The disclosure also relates to methods of treating a neurotoxin-induced muscle paralysis or muscle weakness, the method comprising locally administering a composition comprising an anticholinesterase to the patient.2. Technical Background[0003]Botulinum toxin has been used for treatment of over 20 medical and cosmetic indications. Botulinum toxin is a nerve impulse “blocker.” It attaches to nerve endings and prevents the release of chemical transmitters, which activate muscles. These chemicals carry t...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): A61K31/455A61K31/27A61K31/4425A61K31/55A61K31/407A61P21/02A61K9/00A61K9/06A61K9/70A61K47/24A61K31/445
CPCA61K31/455A61K9/0019A61K9/0053A61K9/06A61K9/7023A61K31/27A61K31/407A61K31/445A61K31/4425A61K31/55A61K47/24A61P21/02A61K2300/00A61P25/00A61K9/0014A61K31/14
Inventor GARDNER, MARY
Owner DELNOVA INC
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